BMW 600 gearbox - second gear defective

Second gear on the BMW 600 transmission won't engage - what's the cause? Ralf Heiligtag gets to the bottom of the problem. Included: Making a puller tool for the output shaft Removing both shafts from the transmission housing at the same time Removing the ball bearing from the output shaft Partial disassembly of the shift mechanism and determining the cause of the inability to engage second gear Result: The cause is a cracked synchronizer ring